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8843 (1990 OH)
Classification: Main-belt Asteroid          SPK-ID: 2008843
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3029845302155532 6.8528e-08  
a 2.656747503617402 1.6115e-08 au
q 1.85179410933254 1.7718e-07 au
i 13.26170336762276 8.2192e-06 deg
node 216.9573545974273 2.247e-05 deg
peri 132.7138674678945 2.548e-05 deg
M 294.7172853668926 1.3444e-05 deg
tp 2457687.326684699825
(2016-Oct-25.82668470)
6.09e-05 JED
period 1581.699031240514
4.33
1.4391e-05
3.94e-08
d
yr
n .2276033511366918 2.0709e-09 deg/d
Q 3.461700897902265 2.0998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      9072 days (24.84 yr)  
   first obs. used      1990-07-22  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59034  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:03:14  

Additional Information
 Earth MOID = .873298 au 
 Jupiter MOID = 2.1267 au 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 31909)  

8843 (1990 OH)          Discovered 1990-Jul-22 by Helin, E. F. at Palomar
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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